feat: 회원가입 pushToken 추가

SodaLive/Sources/User/SignUp/SignUpRequest.swift

@@ -10,6 +10,7 @@ import Foundation
 struct SignUpRequest: Encodable {
     let email: String
     let password: String
+    let pushToken: String?
     let marketingPid: String
     let isAgreeTermsOfService: Bool
     let isAgreePrivacyPolicy: Bool

SodaLive/Sources/User/SignUp/SignUpViewModel.swift

@@ -32,6 +32,7 @@ final class SignUpViewModel: ObservableObject {
             let request = SignUpRequest(
                 email: email,
                 password: password,
+                pushToken: UserDefaults.string(forKey: .pushToken),
                 marketingPid: UserDefaults.string(forKey: .marketingPid),
                 isAgreeTermsOfService: true,
                 isAgreePrivacyPolicy: true